import java.util.Scanner;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: wwy
 * Date: 2024-05-18
 * Time: 11:41
 */
public class Test006 {
    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        while (sc.hasNext()){
            int a=sc.nextInt();
            System.out.println(a);
        }
    }
}
